Home / 3,547.21-4,894.40-2,055.04

Finding the Fourth Proportional to 3,547.21, 4,894.40 and 2,055.04

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Solution

The fourth proportional to 3,547.21, 4,894.40 and 2,055.04 is: 2,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.21 : 4,894.40 = 2,055.04 : x
  2. Step 2: Convert to fraction form
    3,547.21/4,894.40 = 2,055.04/x
  3. Step 3: Cross multiply
    3,547.21x = 4,894.40 × 2,055.04
  4. Step 4: Simplify right side
    3,547.21x = 10,058,180.68
  5. Step 5: Solve for x
    x = 10,058,180.68/3,547.21
  6. Step 6: Final answer
    x = 2,835.52

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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.