Home / 4,569.66-6,815.51-4,490.69

Finding the Fourth Proportional to 4,569.66, 6,815.51 and 4,490.69

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Solution

The fourth proportional to 4,569.66, 6,815.51 and 4,490.69 is: 6,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,569.66 : 6,815.51 = 4,490.69 : x
  2. Step 2: Convert to fraction form
    4,569.66/6,815.51 = 4,490.69/x
  3. Step 3: Cross multiply
    4,569.66x = 6,815.51 × 4,490.69
  4. Step 4: Simplify right side
    4,569.66x = 30,606,325.56
  5. Step 5: Solve for x
    x = 30,606,325.56/4,569.66
  6. Step 6: Final answer
    x = 6,697.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.