Home / 2,048.76-2,827.30-1,117.26

Finding the Fourth Proportional to 2,048.76, 2,827.30 and 1,117.26

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Solution

The fourth proportional to 2,048.76, 2,827.30 and 1,117.26 is: 1,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.76 : 2,827.30 = 1,117.26 : x
  2. Step 2: Convert to fraction form
    2,048.76/2,827.30 = 1,117.26/x
  3. Step 3: Cross multiply
    2,048.76x = 2,827.30 × 1,117.26
  4. Step 4: Simplify right side
    2,048.76x = 3,158,829.20
  5. Step 5: Solve for x
    x = 3,158,829.20/2,048.76
  6. Step 6: Final answer
    x = 1,541.82

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.