Home / 7,551.38-10,421.13-4,567.76

Finding the Fourth Proportional to 7,551.38, 10,421.13 and 4,567.76

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Solution

The fourth proportional to 7,551.38, 10,421.13 and 4,567.76 is: 6,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.38 : 10,421.13 = 4,567.76 : x
  2. Step 2: Convert to fraction form
    7,551.38/10,421.13 = 4,567.76/x
  3. Step 3: Cross multiply
    7,551.38x = 10,421.13 × 4,567.76
  4. Step 4: Simplify right side
    7,551.38x = 47,601,220.77
  5. Step 5: Solve for x
    x = 47,601,220.77/7,551.38
  6. Step 6: Final answer
    x = 6,303.65

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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.