Home / 6,606.95-9,120.49-4,625.28

Finding the Fourth Proportional to 6,606.95, 9,120.49 and 4,625.28

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Solution

The fourth proportional to 6,606.95, 9,120.49 and 4,625.28 is: 6,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.95 : 9,120.49 = 4,625.28 : x
  2. Step 2: Convert to fraction form
    6,606.95/9,120.49 = 4,625.28/x
  3. Step 3: Cross multiply
    6,606.95x = 9,120.49 × 4,625.28
  4. Step 4: Simplify right side
    6,606.95x = 42,184,831.55
  5. Step 5: Solve for x
    x = 42,184,831.55/6,606.95
  6. Step 6: Final answer
    x = 6,384.92

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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.