Home / 2,904.86-4,332.96-2,666.05

Finding the Fourth Proportional to 2,904.86, 4,332.96 and 2,666.05

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Solution

The fourth proportional to 2,904.86, 4,332.96 and 2,666.05 is: 3,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.86 : 4,332.96 = 2,666.05 : x
  2. Step 2: Convert to fraction form
    2,904.86/4,332.96 = 2,666.05/x
  3. Step 3: Cross multiply
    2,904.86x = 4,332.96 × 2,666.05
  4. Step 4: Simplify right side
    2,904.86x = 11,551,877.18
  5. Step 5: Solve for x
    x = 11,551,877.18/2,904.86
  6. Step 6: Final answer
    x = 3,976.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.