Home / 2,048.57-2,827.02-1,117.07

Finding the Fourth Proportional to 2,048.57, 2,827.02 and 1,117.07

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Solution

The fourth proportional to 2,048.57, 2,827.02 and 1,117.07 is: 1,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.57 : 2,827.02 = 1,117.07 : x
  2. Step 2: Convert to fraction form
    2,048.57/2,827.02 = 1,117.07/x
  3. Step 3: Cross multiply
    2,048.57x = 2,827.02 × 1,117.07
  4. Step 4: Simplify right side
    2,048.57x = 3,157,979.23
  5. Step 5: Solve for x
    x = 3,157,979.23/2,048.57
  6. Step 6: Final answer
    x = 1,541.55

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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.