Home / 2,931.08-4,044.72-1,752.14

Finding the Fourth Proportional to 2,931.08, 4,044.72 and 1,752.14

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Solution

The fourth proportional to 2,931.08, 4,044.72 and 1,752.14 is: 2,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.08 : 4,044.72 = 1,752.14 : x
  2. Step 2: Convert to fraction form
    2,931.08/4,044.72 = 1,752.14/x
  3. Step 3: Cross multiply
    2,931.08x = 4,044.72 × 1,752.14
  4. Step 4: Simplify right side
    2,931.08x = 7,086,915.70
  5. Step 5: Solve for x
    x = 7,086,915.70/2,931.08
  6. Step 6: Final answer
    x = 2,417.85

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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.