Home / 5,403.82-7,457.13-3,045.91

Finding the Fourth Proportional to 5,403.82, 7,457.13 and 3,045.91

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Solution

The fourth proportional to 5,403.82, 7,457.13 and 3,045.91 is: 4,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.82 : 7,457.13 = 3,045.91 : x
  2. Step 2: Convert to fraction form
    5,403.82/7,457.13 = 3,045.91/x
  3. Step 3: Cross multiply
    5,403.82x = 7,457.13 × 3,045.91
  4. Step 4: Simplify right side
    5,403.82x = 22,713,746.84
  5. Step 5: Solve for x
    x = 22,713,746.84/5,403.82
  6. Step 6: Final answer
    x = 4,203.28

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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.