Home / 5,256.87-7,248.56-5,135.91

Finding the Fourth Proportional to 5,256.87, 7,248.56 and 5,135.91

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Solution

The fourth proportional to 5,256.87, 7,248.56 and 5,135.91 is: 7,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.87 : 7,248.56 = 5,135.91 : x
  2. Step 2: Convert to fraction form
    5,256.87/7,248.56 = 5,135.91/x
  3. Step 3: Cross multiply
    5,256.87x = 7,248.56 × 5,135.91
  4. Step 4: Simplify right side
    5,256.87x = 37,227,926.11
  5. Step 5: Solve for x
    x = 37,227,926.11/5,256.87
  6. Step 6: Final answer
    x = 7,081.77

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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.