Home / 5,666.55-8,478.77-4,969.95

Finding the Fourth Proportional to 5,666.55, 8,478.77 and 4,969.95

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Solution

The fourth proportional to 5,666.55, 8,478.77 and 4,969.95 is: 7,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.55 : 8,478.77 = 4,969.95 : x
  2. Step 2: Convert to fraction form
    5,666.55/8,478.77 = 4,969.95/x
  3. Step 3: Cross multiply
    5,666.55x = 8,478.77 × 4,969.95
  4. Step 4: Simplify right side
    5,666.55x = 42,139,038.11
  5. Step 5: Solve for x
    x = 42,139,038.11/5,666.55
  6. Step 6: Final answer
    x = 7,436.45

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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.