Home / 4,749.18-6,554.56-2,980.14

Finding the Fourth Proportional to 4,749.18, 6,554.56 and 2,980.14

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Solution

The fourth proportional to 4,749.18, 6,554.56 and 2,980.14 is: 4,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.18 : 6,554.56 = 2,980.14 : x
  2. Step 2: Convert to fraction form
    4,749.18/6,554.56 = 2,980.14/x
  3. Step 3: Cross multiply
    4,749.18x = 6,554.56 × 2,980.14
  4. Step 4: Simplify right side
    4,749.18x = 19,533,506.44
  5. Step 5: Solve for x
    x = 19,533,506.44/4,749.18
  6. Step 6: Final answer
    x = 4,113.03

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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.