Home / 7,412.40-10,228.59-4,055.14

Finding the Fourth Proportional to 7,412.40, 10,228.59 and 4,055.14

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Solution

The fourth proportional to 7,412.40, 10,228.59 and 4,055.14 is: 5,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.40 : 10,228.59 = 4,055.14 : x
  2. Step 2: Convert to fraction form
    7,412.40/10,228.59 = 4,055.14/x
  3. Step 3: Cross multiply
    7,412.40x = 10,228.59 × 4,055.14
  4. Step 4: Simplify right side
    7,412.40x = 41,478,377.24
  5. Step 5: Solve for x
    x = 41,478,377.24/7,412.40
  6. Step 6: Final answer
    x = 5,595.81

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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.