Home / 7,868.80-10,858.91-4,332.01

Finding the Fourth Proportional to 7,868.80, 10,858.91 and 4,332.01

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Solution

The fourth proportional to 7,868.80, 10,858.91 and 4,332.01 is: 5,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.80 : 10,858.91 = 4,332.01 : x
  2. Step 2: Convert to fraction form
    7,868.80/10,858.91 = 4,332.01/x
  3. Step 3: Cross multiply
    7,868.80x = 10,858.91 × 4,332.01
  4. Step 4: Simplify right side
    7,868.80x = 47,040,902.63
  5. Step 5: Solve for x
    x = 47,040,902.63/7,868.80
  6. Step 6: Final answer
    x = 5,978.15

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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.