Home / 2,420.13-3,341.21-1,859.52

Finding the Fourth Proportional to 2,420.13, 3,341.21 and 1,859.52

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Solution

The fourth proportional to 2,420.13, 3,341.21 and 1,859.52 is: 2,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.13 : 3,341.21 = 1,859.52 : x
  2. Step 2: Convert to fraction form
    2,420.13/3,341.21 = 1,859.52/x
  3. Step 3: Cross multiply
    2,420.13x = 3,341.21 × 1,859.52
  4. Step 4: Simplify right side
    2,420.13x = 6,213,046.82
  5. Step 5: Solve for x
    x = 6,213,046.82/2,420.13
  6. Step 6: Final answer
    x = 2,567.24

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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.