Home / 7,253.60-10,858.80-4,330.40

Finding the Fourth Proportional to 7,253.60, 10,858.80 and 4,330.40

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Solution

The fourth proportional to 7,253.60, 10,858.80 and 4,330.40 is: 6,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.60 : 10,858.80 = 4,330.40 : x
  2. Step 2: Convert to fraction form
    7,253.60/10,858.80 = 4,330.40/x
  3. Step 3: Cross multiply
    7,253.60x = 10,858.80 × 4,330.40
  4. Step 4: Simplify right side
    7,253.60x = 47,022,947.52
  5. Step 5: Solve for x
    x = 47,022,947.52/7,253.60
  6. Step 6: Final answer
    x = 6,482.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.