Home / 5,377.32-7,417.17-4,485.11

Finding the Fourth Proportional to 5,377.32, 7,417.17 and 4,485.11

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Solution

The fourth proportional to 5,377.32, 7,417.17 and 4,485.11 is: 6,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.32 : 7,417.17 = 4,485.11 : x
  2. Step 2: Convert to fraction form
    5,377.32/7,417.17 = 4,485.11/x
  3. Step 3: Cross multiply
    5,377.32x = 7,417.17 × 4,485.11
  4. Step 4: Simplify right side
    5,377.32x = 33,266,786.25
  5. Step 5: Solve for x
    x = 33,266,786.25/5,377.32
  6. Step 6: Final answer
    x = 6,186.50

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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.