Home / 7,357.59-10,153.52-4,000.40

Finding the Fourth Proportional to 7,357.59, 10,153.52 and 4,000.40

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Solution

The fourth proportional to 7,357.59, 10,153.52 and 4,000.40 is: 5,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.59 : 10,153.52 = 4,000.40 : x
  2. Step 2: Convert to fraction form
    7,357.59/10,153.52 = 4,000.40/x
  3. Step 3: Cross multiply
    7,357.59x = 10,153.52 × 4,000.40
  4. Step 4: Simplify right side
    7,357.59x = 40,618,090.64
  5. Step 5: Solve for x
    x = 40,618,090.64/7,357.59
  6. Step 6: Final answer
    x = 5,520.57

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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.