Home / 5,256.80-7,248.24-3,160.16

Finding the Fourth Proportional to 5,256.80, 7,248.24 and 3,160.16

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Solution

The fourth proportional to 5,256.80, 7,248.24 and 3,160.16 is: 4,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.80 : 7,248.24 = 3,160.16 : x
  2. Step 2: Convert to fraction form
    5,256.80/7,248.24 = 3,160.16/x
  3. Step 3: Cross multiply
    5,256.80x = 7,248.24 × 3,160.16
  4. Step 4: Simplify right side
    5,256.80x = 22,905,598.12
  5. Step 5: Solve for x
    x = 22,905,598.12/5,256.80
  6. Step 6: Final answer
    x = 4,357.33

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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.