Home / 5,045.35-7,549.32-3,113.20

Finding the Fourth Proportional to 5,045.35, 7,549.32 and 3,113.20

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Solution

The fourth proportional to 5,045.35, 7,549.32 and 3,113.20 is: 4,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.35 : 7,549.32 = 3,113.20 : x
  2. Step 2: Convert to fraction form
    5,045.35/7,549.32 = 3,113.20/x
  3. Step 3: Cross multiply
    5,045.35x = 7,549.32 × 3,113.20
  4. Step 4: Simplify right side
    5,045.35x = 23,502,543.02
  5. Step 5: Solve for x
    x = 23,502,543.02/5,045.35
  6. Step 6: Final answer
    x = 4,658.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.