Home / 7,564.05-10,440.09-4,581.77

Finding the Fourth Proportional to 7,564.05, 10,440.09 and 4,581.77

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Solution

The fourth proportional to 7,564.05, 10,440.09 and 4,581.77 is: 6,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.05 : 10,440.09 = 4,581.77 : x
  2. Step 2: Convert to fraction form
    7,564.05/10,440.09 = 4,581.77/x
  3. Step 3: Cross multiply
    7,564.05x = 10,440.09 × 4,581.77
  4. Step 4: Simplify right side
    7,564.05x = 47,834,038.96
  5. Step 5: Solve for x
    x = 47,834,038.96/7,564.05
  6. Step 6: Final answer
    x = 6,323.87

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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.