Home / 2,001.24-2,762.04-1,478.76

Finding the Fourth Proportional to 2,001.24, 2,762.04 and 1,478.76

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Solution

The fourth proportional to 2,001.24, 2,762.04 and 1,478.76 is: 2,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.24 : 2,762.04 = 1,478.76 : x
  2. Step 2: Convert to fraction form
    2,001.24/2,762.04 = 1,478.76/x
  3. Step 3: Cross multiply
    2,001.24x = 2,762.04 × 1,478.76
  4. Step 4: Simplify right side
    2,001.24x = 4,084,394.27
  5. Step 5: Solve for x
    x = 4,084,394.27/2,001.24
  6. Step 6: Final answer
    x = 2,040.93

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Half 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.