Home / 7,551.76-10,421.44-4,407.96

Finding the Fourth Proportional to 7,551.76, 10,421.44 and 4,407.96

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Solution

The fourth proportional to 7,551.76, 10,421.44 and 4,407.96 is: 6,082.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.76 : 10,421.44 = 4,407.96 : x
  2. Step 2: Convert to fraction form
    7,551.76/10,421.44 = 4,407.96/x
  3. Step 3: Cross multiply
    7,551.76x = 10,421.44 × 4,407.96
  4. Step 4: Simplify right side
    7,551.76x = 45,937,290.66
  5. Step 5: Solve for x
    x = 45,937,290.66/7,551.76
  6. Step 6: Final answer
    x = 6,082.99

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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.