Home / 7,455.45-10,288.40-4,098.19

Finding the Fourth Proportional to 7,455.45, 10,288.40 and 4,098.19

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Solution

The fourth proportional to 7,455.45, 10,288.40 and 4,098.19 is: 5,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.45 : 10,288.40 = 4,098.19 : x
  2. Step 2: Convert to fraction form
    7,455.45/10,288.40 = 4,098.19/x
  3. Step 3: Cross multiply
    7,455.45x = 10,288.40 × 4,098.19
  4. Step 4: Simplify right side
    7,455.45x = 42,163,818.00
  5. Step 5: Solve for x
    x = 42,163,818.00/7,455.45
  6. Step 6: Final answer
    x = 5,655.44

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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.