Home / 2,420.66-3,340.51-1,476.45

Finding the Fourth Proportional to 2,420.66, 3,340.51 and 1,476.45

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Solution

The fourth proportional to 2,420.66, 3,340.51 and 1,476.45 is: 2,037.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.66 : 3,340.51 = 1,476.45 : x
  2. Step 2: Convert to fraction form
    2,420.66/3,340.51 = 1,476.45/x
  3. Step 3: Cross multiply
    2,420.66x = 3,340.51 × 1,476.45
  4. Step 4: Simplify right side
    2,420.66x = 4,932,095.99
  5. Step 5: Solve for x
    x = 4,932,095.99/2,420.66
  6. Step 6: Final answer
    x = 2,037.50

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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.