Home / 7,457.18-10,291.16-4,100.12

Finding the Fourth Proportional to 7,457.18, 10,291.16 and 4,100.12

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Solution

The fourth proportional to 7,457.18, 10,291.16 and 4,100.12 is: 5,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.18 : 10,291.16 = 4,100.12 : x
  2. Step 2: Convert to fraction form
    7,457.18/10,291.16 = 4,100.12/x
  3. Step 3: Cross multiply
    7,457.18x = 10,291.16 × 4,100.12
  4. Step 4: Simplify right side
    7,457.18x = 42,194,918.98
  5. Step 5: Solve for x
    x = 42,194,918.98/7,457.18
  6. Step 6: Final answer
    x = 5,658.29

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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.