Home / 4,547.01-6,258.60-3,218.40

Finding the Fourth Proportional to 4,547.01, 6,258.60 and 3,218.40

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Solution

The fourth proportional to 4,547.01, 6,258.60 and 3,218.40 is: 4,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.01 : 6,258.60 = 3,218.40 : x
  2. Step 2: Convert to fraction form
    4,547.01/6,258.60 = 3,218.40/x
  3. Step 3: Cross multiply
    4,547.01x = 6,258.60 × 3,218.40
  4. Step 4: Simplify right side
    4,547.01x = 20,142,678.24
  5. Step 5: Solve for x
    x = 20,142,678.24/4,547.01
  6. Step 6: Final answer
    x = 4,429.87

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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.