Home / 7,552.02-10,420.09-4,567.78

Finding the Fourth Proportional to 7,552.02, 10,420.09 and 4,567.78

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Solution

The fourth proportional to 7,552.02, 10,420.09 and 4,567.78 is: 6,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.02 : 10,420.09 = 4,567.78 : x
  2. Step 2: Convert to fraction form
    7,552.02/10,420.09 = 4,567.78/x
  3. Step 3: Cross multiply
    7,552.02x = 10,420.09 × 4,567.78
  4. Step 4: Simplify right side
    7,552.02x = 47,596,678.70
  5. Step 5: Solve for x
    x = 47,596,678.70/7,552.02
  6. Step 6: Final answer
    x = 6,302.51

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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.