Home / 3,688.04-5,094.48-2,947.19

Finding the Fourth Proportional to 3,688.04, 5,094.48 and 2,947.19

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Solution

The fourth proportional to 3,688.04, 5,094.48 and 2,947.19 is: 4,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.04 : 5,094.48 = 2,947.19 : x
  2. Step 2: Convert to fraction form
    3,688.04/5,094.48 = 2,947.19/x
  3. Step 3: Cross multiply
    3,688.04x = 5,094.48 × 2,947.19
  4. Step 4: Simplify right side
    3,688.04x = 15,014,400.51
  5. Step 5: Solve for x
    x = 15,014,400.51/3,688.04
  6. Step 6: Final answer
    x = 4,071.11

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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.