Home / 7,568.58-10,442.55-4,913.70

Finding the Fourth Proportional to 7,568.58, 10,442.55 and 4,913.70

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Solution

The fourth proportional to 7,568.58, 10,442.55 and 4,913.70 is: 6,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.58 : 10,442.55 = 4,913.70 : x
  2. Step 2: Convert to fraction form
    7,568.58/10,442.55 = 4,913.70/x
  3. Step 3: Cross multiply
    7,568.58x = 10,442.55 × 4,913.70
  4. Step 4: Simplify right side
    7,568.58x = 51,311,557.94
  5. Step 5: Solve for x
    x = 51,311,557.94/7,568.58
  6. Step 6: Final answer
    x = 6,779.55

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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.