Home / 3,420.68-4,722.71-2,475.01

Finding the Fourth Proportional to 3,420.68, 4,722.71 and 2,475.01

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Solution

The fourth proportional to 3,420.68, 4,722.71 and 2,475.01 is: 3,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.68 : 4,722.71 = 2,475.01 : x
  2. Step 2: Convert to fraction form
    3,420.68/4,722.71 = 2,475.01/x
  3. Step 3: Cross multiply
    3,420.68x = 4,722.71 × 2,475.01
  4. Step 4: Simplify right side
    3,420.68x = 11,688,721.44
  5. Step 5: Solve for x
    x = 11,688,721.44/3,420.68
  6. Step 6: Final answer
    x = 3,417.07

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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.